A 60-year-old male presents with GI bleeding and abdominal pain. He reports that he takes NSAIDs daily to prevent heart attack. Tests reveal that he has a peptic ulcer. The most likely cause of this disease is:

A 60-year-old male presents with GI bleeding and abdominal pain. He reports that he takes NSAIDs daily to prevent heart attack. Tests reveal that he has a peptic ulcer. The most likely cause of this disease is:




a. Increasing subepithelial bicarbonate production

b. Accelerating the H+ (proton) pump in parietal cells

c. Inhibiting mucosal prostaglandin synthesis

d. Stimulating a shunt of mucosal blood flow




Answer: C


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